#!/usr/bin/python
# -*- coding: utf-8 -*-
from mttkinter import mtTkinter as tk

class gl(object):
    var = tk.StringVar
    def __init__(self):
        var = tk.StringVar
    def set_value(self,a_var):
        print(a_var)
        self.var.set('123')
        print(a_var)
    def get_value(self):
        return self.var.get()